320464614449 has 32 divisors (see below), whose sum is σ = 377199747072. Its totient is φ = 266594328000.

The previous prime is 320464614403. The next prime is 320464614487. The reversal of 320464614449 is 944416464023.

It is not a de Polignac number, because 320464614449 - 2³² = 316169647153 is a prime.

It is a super-2 number, since 2×320464614449² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320464614499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77950904 + ... + 77955014.

It is an arithmetic number, because the mean of its divisors is an integer number (11787492096).

Almost surely, 2^320464614449 is an apocalyptic number.

It is an amenable number.

320464614449 is a deficient number, since it is larger than the sum of its proper divisors (56735132623).

320464614449 is a wasteful number, since it uses less digits than its factorization.

320464614449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597.

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 320464614449 in words is "three hundred twenty billion, four hundred sixty-four million, six hundred fourteen thousand, four hundred forty-nine".